Type the x and y coordinates for each of the three points that form the angle . Keep the values between 0 and 200 (0,0) is the lower left corner and (200,200) is the upper right corner
You may place text on the top by typing something in the "Title" box.
select the desired color of the lines by using the "pop-up" menu
Press the "Redraw" button to make sure the figure and the angle is computed based on the latest coordinates typed.
Make sure "Enable Java" and "Enable JavaScript" is checked in your browser
(Choose Network Preferences from the Options Menu of Netscape, and choose the
Language Tab).
Click here to see the Java code that I wrote to produce the graph.